Talk to us on: 01442 257065
Talk to us on: 01442 257065
Trust us to protect your business
Talk to us on: 01442 257065 evolution | design | installation | maintenance
Slider Construction


Whatever the project we have the ability and expertise to deliver a unique Fire Detection and Security solution.

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Slider Fire Alarm & Safety

Fire Alarm & Safety

Fire safety is an area that demands the very highest levels of service and delivery this is why our skills, knowledge and experience are your safeguard.

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Slider Security Systems

Security Systems

Our skills, knowledge and experience are your safeguard. Keeping you and your business safe from harm.

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Slider Service & Maintenance

Service & Maintenance

Network Security and Fire can offer maintenance proposals for every installation we undertake and premises which already have systems in place.

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Fire safety is an area that demands the very highest levels of service and delivery. This is why our skills, knowledge and experience are your safeguard.

Learn More


From the simplest of security alarm system or upgrades to custom-designed complex IP integrated security incorporating the latest technology, we can provide the all-round protection your business requires.

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Service and Maintenance

Without maintenance even the most effective equipment will deteriorate. It is therefore important that a qualified engineer carries out regular maintenance checks.

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Welcome to Network Security and Alarms

Dedicated supplier and installer for security and alarm systems throughout London and South East England.

Network Security and Alarms specialise in tailored security system design, supply, installation, commissioning and maintenance of fire alarms and security systems throughout London and the South of England. 

We operate within the Construction, Commercial, Facilities Management and Local Authority sectors and have countless years of knowledge and experience of working with clients from these sectors.

Your Fire and Security specialists for London and the South East of England

With extensive experience in fire protection and the security industry, our engineers provide the best solutions for your business no matter the size or budget. Offering in-house system design utilising the very latest in British and European standards and technology, Network Security and Alarms have the team, resources and capabilities to deliver exceptional results to protect businesses, their people and assets.

Let our skills, knowledge and experience be your safeguard.

View our Terms & Conditions.

Key Sectors

Network Security and Alarms have the experience of working within many sectors throughout England, although based in Hampshire we also work in Berkshire, Oxfordshire and West Sussex.


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Facilities Management

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Local Authority

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Case Studies

We take great pride in what work we do at Network Security and Alarms and with that comes great responsibility. We undertake projects from all sectors such as the construction industry, retail and the education industry. The experience we have of working within these sectors is measured by the quality of past projects we have completed.

Since the company started in 1993 we have built up several long-term successful partnerships with our clients, many of which are still with us today. Discover the various fire and security projects we have completed over the years by clicking on the relevant case studies below.

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CNWL Mental Health Trust

Fire and Security Maintenance Contract After a tough tendering process Network Security and Fire has been awarded with a maintenance contract for CNWL Mental Health Trust with Galliford Try. The contract covers over 70 mental health premises…

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Portesbury SEN School Tender

Access Control System & CCTV System Installation Network Security and Alarms are thrilled to be working on such a project. With years of experience and a proven track record in the education sector, this School Tender was a super fit for…

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55 St James Street project

Disabled Refuge and Toilet Alarm Systems & IP CCTV System Contract Opposite the famous Ritz hotel the 55 St James Street development comprises of office accommodation over six storeys as well as five high-end apartments all boasting breath…

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